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(11)

EP 2 534 691 A1

(12)

(43) Date of publication: 19.12.2012 Bulletin 2012/51 (21) Application number: 11741800.4 (22) Date of filing: 11.02.2011

(51) International Patent Classification (IPC):  H01L 31/02(2006.01) H01L 31/042(2006.01) H01L 23/488(2006.01) (86) International application number: PCT/CA2011/050083 (87) International publication number: WO 2011/097732 (18.08.2011 Gazette 2011/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 12.02.2010 US 304007 P (71) Applicant: Cyrium Technologies Incorporated Ottawa, Ontario K2K 2M5 (CA)	(72) Inventors: PUETZ, Norbert Ottawa, Ontario K2K 3E5 (CA) FAFARD, Simon Ottawa, Ontario K1W 1G3 (CA) ALLARD, Louis, B. Ottawa, Ontario K1V 8H3 (CA) (74) Representative: Kaminski Harmann  Patentanwälte AG Landstrasse 124 9490 Vaduz 9490 Vaduz (LI)